http://img17.imagevenue.com/img.php?image=76814_01_122_1029lo.jpg#

Shantotto igname cutscenes with Cosomos
Cloud alternate costume is Advent Children Cloud, holding the Tsuguri
Sephiroth Alternate costume is topless Sephiroth (end of FFVII)
Some battle shots of these characters (including one with Terra)

http://img168.imagevenue.com/img.php?image=77843_02_122_843lo.jpg
Zidane/ Zidane EX mode Kuja/ Kuja Ex mode

http://img42.imagevenue.com/img.php?image=77844_03_122_753lo.jpg
Butz/ Exdeath and their exmodes
plus loads of cutscene of different character

There is an interview, which tells fans to expect an FFXII character (who will fight for the Chaos side)
No Final Fantasy XIII (Fabula Nova Crystalis) characters will be represented.